I have two M&Ps from this period.
1) V96974, 4" barrel, 38 S&W Spl, Parkerized, "U.S.Navy" on top strap. My dad picked this up in 1967 but I don't have any other information.
2) 973313, 4" barrel, 38 S&W Spl, Parkerized. Seems to have been produced just prior to the victory series so not...